Extraction of triacontanol by using three-phase as transfercatalyst and its application;
三相转移催化提取三十烷醇及其应用研究
Acute toxicity detection of pesticide triacontanol;
三十烷醇原药急性毒性测定
Determination of Triacontanol and Octacosanol in Fenglasu and Fenglasu Capsulas by Capillary Gas Chromatography;
毛细管气相色谱法测定蜂蜡素及其胶囊中三十烷醇和二十八烷醇的含量
Results: From the CH_(2)Cl_(2) fraction of the EtOH extract of crude drug,5 compounds were isolated and identified as octacosanol(compound 1),triacontanoic acid(compound 2),stigmaster.
结果:从元宝草乙醇提取液的二氯甲烷萃取物中分离得到5个化合物,鉴定为二十八烷醇(octacosanol,化合物1)、三十烷酸(triacontanoic acid,化合物2)、豆甾醇(stigmasterol,化合物3)、苯甲酸(benzoic acid,化合物4)和1-羟基-7-甲氧基吨酮(1-hydroxy-7-methoxy-xanthone,化合物5);从乙酸乙酯萃取物中分离得到3个化合物,鉴定为没食子酸(3,4,5-trihydroxy-benzoic acid,化合物6)、槲皮素(quercetin,化合物7)和1,3,6,7-四羟基吨酮(1,3,6,7-tetrahydroxy-xanthone,化合物8)。
Taking the situation of Sanshili Pu town in Dalian city as an example,a complete investigation was carried out including data collection and demonstration,the function zoning mode for environmental noise in small town was worked out by using grid method.
以大连市金州区三十里堡为例,在进行充分调查、数据汇总和反复论证的基础上,采用网格法制定了小城镇环境噪声功能区划。
By quoting the record of "thirty spokes in one hub"from the book,some scholars hold that this book can not be written at a time other than the medium or late Warring States Period(475 221B.
有的学者征用《老子》书中出现的“三十辐同一毂”的记载 ,认为这种辐毂制的车子在春秋之世没有出现 ,到了战国中晚期才出现 ,所以《老子》只能产生在战国中晚期之后。
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